package com.campus.customer.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

@Configuration  //如果写个配置对所有的feign 都会拦截
public class FeignConfiguration implements RequestInterceptor {
 
    @Override
    public void apply(RequestTemplate requestTemplate) {
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        if (attributes != null) {
            HttpServletRequest request = attributes.getRequest();
            String token = request.getHeader("token");
            if (token != null) {
                requestTemplate.header("token", token);
            }
        }
    }
}